“I’ve never stood anyplace on earth where it’s easier to be humbled than here,” said Spielberg, whose biopic about the 16th president is currently in theaters.

His remarks were made at the annual event at the Soldier’s National Cemetery in Gettysburg, near the site where Lincoln gave the famous oration amid the American Civil War in 1863, four months after the battle in which the Union turned back an invasion of the North by Confederate troops under Gen. Robert E. Lee....